package com.ztuo.bc.wallet.util;

public class Convert {

    public static String fromAsciiToString(String data) {
        if (data.length() % 2 != 0) return "";
        StringBuffer chars = new StringBuffer();
        for (int i = 0; i < data.length(); i += 2) {
            char digit = (char) Integer.parseInt(data.substring(i, i + 2), 16);
            chars.append(digit);
        }
        return chars.toString();
    }

    public static void main(String[] args) {
        String data = "31323334353637383930";
        System.out.println(fromAsciiToString(data));
    }
}
